Preparation method of molybdenum tungsten-lanthanum wire

To further improve the strength, toughness and high temperature resistance of pure molybdenum wire, the researchers say the rare earth elements lanthanum and tungsten can be added to the molybdenum wire.  Normally, the higher the tungsten content, the higher the heat resistance of lanthanum molybdenum tungsten wire;  However, with the increase of tungsten content, the product is also prone to crack.  Therefore, the new preparation method of lanthanum molybdenum-tungsten alloy wire is described below, and the specific steps are as follows:  

To further improve the strength, toughness and high temperature resistance of pure molybdenum wire, the researchers say the rare earth elements lanthanum and tungsten can be added to the molybdenum wire.  Normally, the higher the tungsten content, the higher the heat resistance of lanthanum molybdenum tungsten wire;  However, with the increase of tungsten content, the product is also prone to crack.  Therefore, the new preparation method of lanthanum molybdenum-tungsten alloy wire is described below, and the specific steps are as follows: 

Compared with the existing production technology, the advantages of this preparation method are as follows: 1) The strength and high temperature resistance of molybdenum alloy wire are significantly improved by doping lanthanum oxide and tungsten;  2) By improving the straightening machine, the straightening effect can be improved to prevent the run-out wear or scratch caused by excessive clearance between molybdenum wire and the main shaft in the straightening process, so as to avoid affecting the factory quality of products;  3) The improved straightening machine can be used for straightening different specifications of molybdenum wire, and it is more flexible and convenient to use.  

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